/*
 * Copyright 2011 group coding kata nantes
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package fr.coding.kata.nantes.roman.christophe;

import fr.coding.kata.nantes.roman.commons.RomanCalculatorInterface;

import java.util.List;

public class RomanCalculator implements RomanCalculatorInterface {

    private List<String> theRomans;

    public RomanCalculatorInterface with(List<String> romans) {
        theRomans = romans;
        return this;
    }

    public String call() {
        int sum = 0;
        for (String roman : theRomans) {
            sum = sum + EnumRoman.toNumeral(roman);
        }
        return EnumRoman.toRoman(sum);
    }
}
